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SASMO 2020 Grade 4 Question 12

SASMO · SASMO 2020 Grade 4

Question 12

The time now is 16:56, and Archie’s 12-hour digital clock shows 4:56 P.M. Its digits are in increasing consecutive order. At 12:17 P.M. or A.M., the display shows 12:17 P.M. or A.M., respectively. How many minutes later will the clock again show digits in increasing consecutive order?

Read all displayed numeric digits, ignoring the colon and A.M./P.M. Single-digit hours have no leading zero.
  1. 507 minutes
  2. 458 minutes
  3. 467 minutes
  4. 407 minutes
  5. None of the above